Hi Alfred;
Keith had the right answers, some will wear suits and ties others will wear Club or Car orientated T-shirts.
But met me add some tips.
DON'T be a wallflower. Introduce yourself and you will meet some great people.
If you bring your K Convertible, stay near it for awhile after you arrive. Folks will want to see the "New" car and find out about it.
If you can't bring it, mingle, mingle, mingle on the parking lot and anywhere else Club members are talking.
Check out any K's you see, take photos, introduce yourself to the owner or anyone standing nearby and ask questions,
Keep a notepad handy to write down the names and contact info of those you meet, friends for life are made at meets.
Have any spare parts you don't need? Bring them along and they may pay for a dinner and make a fellow car nut happy.
Most important is "DON'T be a wallflower"
Enjoy, Ray Jones in Mena, AR